Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 *  Copyright 2016 - 2017 OpenCT open source class table
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.text.TextUtils;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    private static final String timeDuringPattern = "([0-2]?[0-9])";
    private static final String lastNumberPattern = "([0-2]?[0-9])(?=[^0-9]*$)";
    private static final String emptyPattern = "^\\s+$";

    @NonNull
    public static int[] getStartEnd(@Nullable String s) {
        if (TextUtils.isEmpty(s)) {
            return new int[] { -1, -1 };
        }
        Matcher first = Pattern.compile(timeDuringPattern).matcher(s);
        if (first.find()) {
            String sS = first.group();
            if (!TextUtils.isEmpty(sS)) {
                int start = Integer.parseInt(first.group());
                Matcher last = Pattern.compile(lastNumberPattern).matcher(s);
                int end = start;
                if (last.find()) {
                    String eS = last.group();
                    if (!TextUtils.isEmpty(eS)) {
                        end = Integer.parseInt(eS);
                    }
                }
                return new int[] { start, end };
            } else {
                return new int[] { -1, -1 };
            }
        } else {
            return new int[] { -1, -1 };
        }
    }

    public static boolean isEmpty(String s) {
        return TextUtils.isEmpty(s) || Pattern.compile(emptyPattern).matcher(s).find();
    }
}